The PHOENIX CONTACT PT 3-HF-12DC-ST surge protection plug is a crucial component for safeguarding sensitive electronic equipment from voltage surges. Designed for use with base elements, it offers both coarse and fine protection for two floating signal wires and ground in IT systems, as well as coarse protection to ground/earth. This plug is particularly well-suited for protecting fieldbus systems, PROFIBUS, and signal circuits utilizing 3 to 5-wire technology. Its two-piece design simplifies maintenance, ensuring the base element remains an integral part of the installation. The plug also features impedance-neutral disconnection, allowing for convenient testing and maintenance without disrupting the circuit. It is compatible with CHECKMASTER for easy verification and boasts robust surge protection capabilities.
Cut-off frequency fg (3 dB), sym. in 100 Ohm system: typ. 60 MHz
Capacity (Core-Core): typ. 30 pF
Resistance in series: 2.2 Ω ±10 % (7-8/11-12)
Surge protection fault message: None
Max. required back-up fuse: 500 mA (e.g. T in acc. with IEC 127-2/III)
Impulse durability (conductor-conductor): C2 - 10 kV/5 kA, C3 (67 A)
Impulse durability (conductor-ground): C2 - 10 kV/5 kA, C3 (67 A), D1 - 2,5 kA
Connection method: Screw connection (in connection with the base element)
Connection type IN: PLUGTRAB plug-in system
Connection type OUT: PLUGTRAB plug-in system
Screw thread: M3
Tightening torque: 0.8 Nm
Stripping length: 8 mm
Conductor cross section flexible min.: 0.2 mm²
Conductor cross section flexible max.: 2.5 mm²
Conductor cross section solid min.: 0.2 mm²
Conductor cross section solid max.: 4 mm²
Conductor cross section AWG min.: 24
Conductor cross section AWG max.: 12
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Frequently Asked Questions
Where can I buy Phoenix Contact 2858043?
You can click on the BUY or RFQ button to purchase 2858043 from an authorized Phoenix Contact distributor.
How do I troubleshoot issues or seek technical support for part 2858043?
You can download the 2858043 datasheet or visit the Phoenix Contact website for support.
Who is the manufacturer of 2858043?
Phoenix Contact
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